Question

5x(x-3)-3(x-3)=0

Answer 1

`(5x - 3)(x-3) = 0`

`=> 5x - 3 = 0`

    `x - 3 = 0`

`=> x = 3/5`

     `x = 3`.

Vậy `S = {3/5, 3}`

Answer 2

(5x − 3 ).( x − 3 ) = 0

⇒ 5x − 3 = 0

 x = 3/5.

⇒  

 .

Vậy S = { 3/5 , 3 }